/*
 * Copyright 2011 The Rusted Roof, LLC.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.proteusframework.platformservice.grammar;


public class IllegalExpressionException extends Exception
{
    private Throwable cause = null;

    public IllegalExpressionException()
    {
        super();
    }

    public IllegalExpressionException(String message)
    {
        super(message);
    }

    public IllegalExpressionException(Throwable throwable)
    {
        super(throwable.getMessage());
        this.cause = throwable;
    }

    public IllegalExpressionException(String message, Throwable throwable)
    {
        super(message);
        this.cause = throwable;
    }

    public Throwable getCause()
    {
        return cause;
    }

    public void printStackTrace()
    {
        printStackTrace(System.err);
    }

    public void printStackTrace(java.io.PrintWriter pw)
    {
        super.printStackTrace(pw);
        if (cause != null)
        {
            pw.println("Caused by:");
            cause.printStackTrace(pw);
        }
    }

    public void printStackTrace(java.io.PrintStream ps)
    {
        super.printStackTrace(ps);
        if (cause != null)
        {
            ps.println("Caused by:");
            cause.printStackTrace(ps);
        }
    }

}
